My Missing Sister: A heart-pounding, chillingly believable psychological thriller from Diane Saxon for 2026

Name: My Missing Sister: A heart-pounding, chillingly believable psychological thriller from Diane Saxon for 2026
Price: 3.99 USD
Availability: InStock
Rating: 4.3 (315 reviews)
Author: Diane Saxon

by Diane Saxon

Mystery Thriller Thriller

4.3 (315)

4.3 stars from 315 reviews

284 pages~4.7 hr readPublished by Boldwood Books

$3.99At peak price

Last checked: Apr 14, 2026

Hidden GemHighly rated but flying under the radar. Fewer readers have found this one yet.

Price history: $0.99 – $3.99

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Price range: $0.99 – $3.99

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Fans of these authors will like this...

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Perfect for you if...

You love psychological thrillers where the narrator has their own hidden agenda and nothing is quite as it seems.
You're drawn to claustrophobic settings where tension builds slowly amongst a small cast of unreliable characters.
You enjoyed Freida McFadden or T. M. Logan and want another page-turner with twists that land hard.

Maybe not for you if...

You prefer thrillers with fast-paced action and external threats over psychological mind games.
You want a cosy read without dark themes, toxic relationships, or morally compromised characters.
You need resolution that ties up every plot thread neatly rather than leaving some ambiguity.

About this book

The narrator moves into a shared house with three housemates who maintain an emotional distance and create an atmosphere of unspoken tension. She has come with a hidden purpose: to discover what happened to Nikki, who is like a sister to her. The narrator believes one of her housemates knows more than they are revealing about Nikki's disappearance. As the narrator investigates, she must determine whether Nikki is simply missing or if something more dangerous has occurred within the house. She is determined to uncover the truth about whether Nikki is alive or dead. The novel explores secrets, lies, and the dynamics between the housemates as the mystery unfolds.

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Price History

Kindle price over time. Green zones = periods when the book was free.

$0.99 – $3.99

Price has dropped 1 time over the last 13 months.

Sales Rank

Amazon sales rank: lower number = better selling book. #1 is the bestseller.

Currently #3,995 in the Kindle store — a top-10K bestseller. Climbing the charts — 55% improvement recently.

Rating & Reviews

Purple line = star rating over time. Blue area = total review count growth.

Currently 4.3★ from 315 reviews

Gaining approximately 53 new reviews per month. Steady word of mouth growth. Rating has dipped slightly from 4.4 to 4.3.

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Prices shown in USD from Amazon US. We continuously pull new data to improve tracking. If dates look old, it usually means there has been no significant change since the last data point.